vasomotor

adjective
va·so·mo·tor | \ˌvā-zə-ˈmō-tər \

Definition of vasomotor 

: of, relating to, or being nerves or the centers (as in the medulla oblongata or spinal cord) from which they arise that regulate the amount of blood passing to a particular body part or organ by controlling the internal diameter of blood vessels

First Known Use of vasomotor

1865, in the meaning defined above

History and Etymology for vasomotor

vaso- + motor entry 2, after French vaso-moteur

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The first known use of vasomotor was in 1865

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vasomotor

adjective
va·so·mo·tor | \ˌvā-zō-ˈmōt-ər \

Medical Definition of vasomotor 

: of, relating to, affecting, or being those nerves or the centers (as in the medulla and spinal cord) from which they arise that supply the muscle fibers of the walls of blood vessels, include sympathetic vasoconstrictors and parasympathetic vasodilators, and by their effect on vascular diameter regulate the amount of blood passing to a particular body part or organ

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